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EL PAÍS
EL PAÍS
Mariano Zafra
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Mariano Zafra

COVID-19

Avoiding coronavirus infection in indoor spaces: don’t breathe other people’s air

Mariano Zafra/Javier Salas | 29-03-2021 - 18:07 UTC

Constant ventilation and permanent control of CO₂ levels are two of the keys to avoiding transmission in closed rooms, as fresh air dilutes the infected particles

COVID-19

Coronavirus: How infected air can flow from one apartment to another

Mariano Zafra/Pablo Linde/Jacob Vicente López | 12-03-2021 - 07:54 UTC

In Spain, the bathrooms of older buildings are connected through communal ducts that allow aerosol exchanges. Although not common, it is suspected that transmission may occur in specific circumstances

EARTHQUAKES

Why 14 million Spaniards are at risk from earthquakes

Raúl Limón/Mariano Zafra/Luis Sevillano | 12-02-2021 - 11:07 UTC

Swathes of the Iberian peninsula form part of a ‘hot zone’ for seismic activity due to the increasing proximity of tectonic plates, the impact this has on fault lines and the specific characteristics of the land

CORONAVIRUS

How to reduce the risk of coronavirus contagion this Christmas

Javier Salas/Mariano Zafra | 15-12-2020 - 17:36 UTC

Infections are expected to spike over the holiday season, but there are ways to minimize the dangers. Find out what measures you should take based on who you will be celebrating with

CORONAVIRUS

Isolate fast and curtail infection: how antigen tests are changing the face of the pandemic

Daniele Grasso/Kiko Llaneras/Mariano Zafra | 08-12-2020 - 14:59 UTC

The diagnostic tool has become key to curbing transmission in the second wave as it quickly identifies positive cases, meaning they are isolated immediately and do not spread the virus

URBAN MOBILITY

Bike lanes: How cities across the world are responding to the pandemic

Miguel Ángel Medina/Clemente Álvarez/Yolanda Clemente/Mariano Zafra|Madrid | 06-11-2020 - 12:11 UTC

The health crisis is having an unexpected effect in some urban centers: motorists are losing space while cyclists are gaining it. EL PAÍS examined how Spanish cities, as well as some in Europe and the Americas, are adapting their cycleways to the new mobility reality

CORONAVIRUS

A room, a bar and a classroom: how the coronavirus is spread through the air

Mariano Zafra/Javier Salas | 28-10-2020 - 14:45 UTC

The risk of contagion is highest in indoor spaces but can be reduced by applying all available measures to combat infection via aerosols. Here is an overview of the likelihood of infection in three everyday scenarios, based on the safety measures used and the length of exposure

CORONAVIRUS

An analysis of three Covid-19 outbreaks: how they happened and how they can be avoided

Javier Salas/Mariano Zafra | 17-06-2020 - 15:37 UTC

An office, a restaurant and a bus were the settings for multiple infections that have been studied in detail by health authorities. Their conclusions offer valuable lessons for the deescalation process

coronavirus

ccu cgg cgg gca – The 12 letters that changed the world

Manuel Ansede/Artur Galocha/Mariano Zafra | 20-05-2020 - 05:34 UTC

The genome of the new coronavirus harbors a short sequence suspected of being the main culprit of its uniquely infectious and aggressive nature

CORONAVIRUS

Spain’s state of alarm: the key measures that are now in place

Mariano Zafra/Artur Galocha/Antonio Alonso|Madrid | 15-03-2020 - 09:18 UTC

The decree approved by the government on Saturday has immediately locked down the country, limiting the movement of citizens across the entire territory

The underground city that’s damaging a town

Mariano Zafra|Madrid | 24-03-2014 - 16:03 UTC

Work to create a network of cellars in Navalcarnero has raised the ire of the public and the opposition, due to cracks and subsidence above ground

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